package DPT_58;

public class Solution {
	public int lengthOfLastWord(String s) {
		int end = s.length() - 1;
		while (end >= 0 && s.charAt(end) == ' ') {
			end--;
		}
		if (end < 0) {
			return 0;
		}
		int start = end;

		while (start >= 0 && s.charAt(start) != ' ') {
			start--;
		}

		return end - start;

	}
}
